datechooserjbutton.java

基于mvc的java进销存系统

/*
 * DateChooser.java
 *
 * 生成时间： 2005年6月7日, 下午3:46
 */
package been;

/**
 * 类的作用
 *
 *
 *
 * <p>
 *
 * 类的使用简介
 *
 *
 *
 *
 * @author
 * @version 1.0, 2005年6月7日
 */
import java.util.Date; 
import java.util.Calendar; 
import java.text.DateFormat; 
import java.text.SimpleDateFormat; 
import java.text.ParseException ; 
import java.awt.Color; 
import java.awt.Font; 
import java.awt.Point; 
import java.awt.Dimension; 
import java.awt.BorderLayout; 
import java.awt.FlowLayout; 
import java.awt.GridLayout; 
import java.awt.Component; 
import java.awt.Cursor; 
import java.awt.Frame; 

import java.awt.event.ActionEvent; 
import java.awt.event.ActionListener; 
import java.awt.event.MouseListener; 
import java.awt.event.MouseAdapter; 
import java.awt.event.MouseEvent; 

import javax.swing.JButton; 
import javax.swing.JDialog; 
import javax.swing.JPanel; 
import javax.swing.JLabel; 
import javax.swing.JSpinner ; 
import javax.swing.JSpinner.NumberEditor ; 
import javax.swing.SpinnerNumberModel; 
import javax.swing.SwingUtilities; 
import javax.swing.SwingConstants ; 
import javax.swing.event.ChangeListener ; 
import javax.swing.event.ChangeEvent ; 
import javax.swing.border.LineBorder ; 



public class DateChooserJButton extends JButton { 


private DateChooser dateChooser =null; 

private String preLabel ="" ; 


    public DateChooserJButton() { 
        this(getNowDate()) ; 
    } 


    public DateChooserJButton(SimpleDateFormat df , String dateString) { 
        this() ; 
        setText(df,dateString); 
    } 


    public DateChooserJButton(Date date) { 
        this("",date); 
    } 

    public DateChooserJButton(String preLabel,Date date) { 
        if (preLabel!=null) this.preLabel = preLabel ; 
        setDate(date) ; 
        setBorder(null) ; 
        setCursor(new Cursor(Cursor.HAND_CURSOR)) ; 
        super.addActionListener( new ActionListener() { 
        public void actionPerformed(ActionEvent e) { 
        if (dateChooser==null) dateChooser = new DateChooser(); 
        Point p = getLocationOnScreen() ; 
        p.y = p.y+30 ; 
        dateChooser.showDateChooser(p) ; 
        } 
        }) ; 
    } 


    private static Date getNowDate() { 
        return Calendar.getInstance().getTime() ; 
    } 

    private static SimpleDateFormat getDefaultDateFormat() { 
        return new SimpleDateFormat("yyyy-MM-dd") ; 
    } 

    //覆盖父类的方法 
    public void setText(String s) { 
        Date date ; 
        try { 
            date = getDefaultDateFormat().parse(s) ; 
        }catch (ParseException e) { 
            date = getNowDate() ; 
        } 
            setDate(date) ; 
    } 


    public void setText(SimpleDateFormat df , String s) { 
        Date date ; 
        try { 
        date = df.parse(s) ; 
        }catch (ParseException e) { 
        date = getNowDate() ; 
        } 
        setDate(date) ; 
    } 



    public void setDate(Date date) { 
        super.setText(preLabel+getDefaultDateFormat().format(date)); 
    } 

    public Date getDate() { 
        String dateString = getText().substring(preLabel.length()); 
        try { 
        return getDefaultDateFormat().parse(dateString); 
        } catch (ParseException e) { 
        return getNowDate() ; 
        } 

    } 

    //覆盖父类的方法使之无效 
    public void addActionListener(ActionListener listener ) { 
    } 

    private class DateChooser extends JPanel implements ActionListener ,ChangeListener { 
    
        int startYear = 1980; //默认【最小】显示年份 
    int lastYear = 2050; //默认【最大】显示年份 
    int width = 200; //界面宽度 
    int height = 200; //界面高度 

    Color backGroundColor = Color.gray; //底色 
    //月历表格配色----------------// 
    Color palletTableColor = Color.white; //日历表底色 
    Color todayBackColor = Color.orange; //今天背景色 
    Color weekFontColor = Color.blue; //星期文字色 
    Color dateFontColor = Color.black; //日期文字色 
    Color weekendFontColor = Color.red; //周末文字色 

    //控制条配色------------------// 
    Color controlLineColor = Color.pink; //控制条底色 
    Color controlTextColor = Color.white; //控制条标签文字色 


    Color rbFontColor = Color.white; //RoundBox文字色 
    Color rbBorderColor = Color.red; //RoundBox边框色 
    Color rbButtonColor = Color.pink; //RoundBox按钮色 
    Color rbBtFontColor = Color.red; //RoundBox按钮文字色 

    JDialog dialog ; 
    JSpinner yearSpin ; 
    JSpinner monthSpin ; 
    JSpinner hourSpin ; 
    JButton[][] daysButton = new JButton[6][7] ; 


    DateChooser() { 
        setLayout(new BorderLayout()); 
        setBorder(new LineBorder(backGroundColor, 2)); 
        setBackground(backGroundColor); 

        JPanel topYearAndMonth = createYearAndMonthPanal(); 
        add(topYearAndMonth,BorderLayout.NORTH); 
        JPanel centerWeekAndDay = createWeekAndDayPanal(); 
        add(centerWeekAndDay,BorderLayout.CENTER); 
    } 

    private JPanel createYearAndMonthPanal(){ 
        Calendar c = getCalendar() ; 
        int currentYear =c.get(Calendar.YEAR); 
        int currentMonth =c.get(Calendar.MONTH)+1; 
        int currentHour =c.get(Calendar.HOUR_OF_DAY); 

        JPanel result = new JPanel(); 
        result.setLayout(new FlowLayout()); 
        result.setBackground(controlLineColor); 

        yearSpin = new JSpinner(new SpinnerNumberModel(currentYear,startYear,lastYear,1)); 
        yearSpin.setPreferredSize(new Dimension(48,20)) ; 
        yearSpin.setName("Year") ; 
        yearSpin.setEditor(new JSpinner.NumberEditor(yearSpin, "####")) ; 
        yearSpin.addChangeListener(this) ; 
        result.add(yearSpin) ; 

        JLabel yearLabel = new JLabel("年"); 
        yearLabel.setForeground(controlTextColor); 
        result.add(yearLabel); 

        monthSpin = new JSpinner(new SpinnerNumberModel(currentMonth,1,12,1)); 
        monthSpin.setPreferredSize(new Dimension(35,20)) ; 
        monthSpin.setName("Month") ; 
        monthSpin.addChangeListener(this) ; 
        result.add(monthSpin) ; 

        JLabel monthLabel = new JLabel("月"); 
        monthLabel.setForeground(controlTextColor); 
        result.add(monthLabel); 

        //hourSpin = new JSpinner(new SpinnerNumberModel(currentHour,0,23,1)); 
        //hourSpin.setPreferredSize(new Dimension(35,20)) ; 
        //hourSpin.setName("Hour") ; 
        //hourSpin.addChangeListener(this) ; 
        //result.add(hourSpin) ; 

        //JLabel hourLabel = new JLabel("日"); 
       // hourLabel.setForeground(controlTextColor); 
        //result.add(hourLabel); 

        return result ; 
    } 



    private JPanel createWeekAndDayPanal() { 
        String colname[] = {"日","一","二","三","四","五","六"}; 
        JPanel result = new JPanel(); 
        //设置固定字体，以免调用环境改变影响界面美观 
        result.setFont(new Font("宋体", Font.PLAIN, 12)); 
        result.setLayout(new GridLayout(7,7)); 
        result.setBackground(Color.white); 
        JLabel cell ; 

        for(int i=0;i<7;i++) { 
        cell = new JLabel(colname[i]); 
        cell.setHorizontalAlignment(JLabel.RIGHT); 
        if (i==0 || i==6) cell.setForeground(weekendFontColor) ; 
        else cell.setForeground(weekFontColor) ; 
            result.add(cell) ; 
        } 

        int actionCommandId = 0 ; 
        for(int i = 0; i < 6; i++) 
            for(int j = 0; j < 7; j++) { 
                JButton numberButton = new JButton(); 
                numberButton.setBorder(null) ; 
                numberButton.setHorizontalAlignment(SwingConstants.RIGHT); 
                numberButton.setActionCommand(String.valueOf(actionCommandId)) ; 
                numberButton.addActionListener(this) ; 
                numberButton.setBackground(palletTableColor); 
                numberButton.setForeground(dateFontColor) ; 
                if (j==0 || j==6) numberButton.setForeground(weekendFontColor) ; 
                    else numberButton.setForeground(dateFontColor) ; 
                daysButton[i][j] = numberButton; 
                result.add(numberButton) ; 
                actionCommandId ++ ; 
             } 
        return result; 
    } 



    private JDialog createDialog(Frame owner ) { 
        JDialog result = new JDialog(owner,"日期时间选择",true) ; 
        result.setDefaultCloseOperation(JDialog.HIDE_ON_CLOSE); 
        result.getContentPane().add(this,BorderLayout.CENTER) ; 
        result.pack() ; 
        result.setSize(width, height); 
        return result ; 
} 

    protected void showDateChooser(Point position) { 
        Frame owner =(Frame)SwingUtilities.getWindowAncestor(DateChooserJButton.this) ; 
        if (dialog==null || dialog.getOwner()!= owner) dialog = createDialog(owner ) ; 
        dialog.setLocation(getAppropriateLocation(owner ,position ) ) ; 
        flushWeekAndDay() ; 
        dialog.show(); 
    } 


    protected Point getAppropriateLocation(Frame owner ,Point position ) { 
        Point result = new Point(position) ; 
        Point p = owner.getLocation() ; 
        int offsetX = (position.x+width) - (p.x + owner.getWidth() ) ; 
        int offsetY = (position.y+height) - (p.y + owner.getHeight() ) ; 

        if (offsetX >0 ) { 
        result.x -= offsetX ; 
        } 

        if (offsetY >0 ) { 
        result.y -= offsetY ; 
    } 

     return result ; 

    } 


    private Calendar getCalendar() { 
        Calendar result = Calendar.getInstance(); 
        result.setTime(getDate()) ; 
        return result ; 
    } 


    private int getSelectedYear() { 
        return ((Integer)yearSpin.getValue()).intValue() ; 
    } 


    private int getSelectedMonth() { 
        return ((Integer)monthSpin.getValue()).intValue() ; 
    } 

    private int getSelectedHour() { 
        return ((Integer)hourSpin.getValue()).intValue() ; 
    } 


    private void dayColorUpdate(boolean isOldDay) { 
        Calendar c = getCalendar() ; 
        int day = c.get(Calendar.DAY_OF_MONTH); 
        c.set(Calendar.DAY_OF_MONTH,1); 
        int actionCommandId =day-2+c.get(Calendar.DAY_OF_WEEK) ; 
        int i = actionCommandId/7; 
        int j = actionCommandId%7; 
        if (isOldDay) daysButton[i][j].setForeground(dateFontColor) ; 
        else daysButton[i][j].setForeground(todayBackColor) ; 
    } 


    private void flushWeekAndDay() { 
        Calendar c = getCalendar() ; 
        c.set(Calendar.DAY_OF_MONTH,1); 
        int maxDayNo = c.getActualMaximum(Calendar.DAY_OF_MONTH); 
        int dayNo = 2 - c.get(Calendar.DAY_OF_WEEK) ; 
        for(int i = 0; i < 6; i++) { 
        for(int j = 0; j < 7; j++) { 
        String s="" ; 
        if (dayNo>=1 && dayNo<=maxDayNo ) s = String.valueOf(dayNo) ; 
        daysButton[i][j].setText(s) ; 
        dayNo ++ ; 
        } 
        } 
        dayColorUpdate(false) ; 
    } 




    public void stateChanged(ChangeEvent e) { 
        JSpinner source =(JSpinner)e.getSource() ; 
        Calendar c = getCalendar() ; 
        if (source.getName().equals("Hour")) { 
        c.set(Calendar.HOUR_OF_DAY, getSelectedHour()); 
        setDate(c.getTime()); 
        return ; 
        } 

        dayColorUpdate(true) ; 

        if (source.getName().equals("Year")) 
        c.set(Calendar.YEAR, getSelectedYear()); 
        else 
        // (source.getName().equals("Month")) 
        c.set(Calendar.MONTH, getSelectedMonth()-1); 
        setDate(c.getTime()); 
        flushWeekAndDay() ; 
    } 


    public void actionPerformed(ActionEvent e) { 
        JButton source =(JButton)e.getSource() ; 
        if (source.getText().length()==0) return ; 
        dayColorUpdate(true) ; 
        source.setForeground(todayBackColor) ; 
        int newDay = Integer.parseInt(source.getText()); 
        Calendar c = getCalendar() ; 
        c.set(Calendar.DAY_OF_MONTH,newDay); 
        setDate(c.getTime()); 
        } 

    } 

}